A miraculous healing serum, kept secret by an ancient puzzle and buried with the mummified remains of Alexander the Great--in a tomb lost to the ages for more than 1,500 years--is the coveted prize for a cunning despot unless Cotton Malone, former U.S. Justice Department agent turned rare-book dealer, can beat her to it.

1945. In the waning months of World War II, Japan hid vast quantities of gold and other stolen valuables in boobytrapped underground caches all across the Philippines. By 1947 some of that loot was recovered, not by treasure hunters, but by the United States government, which told no one about the find. Instead, those assets were stamped classified, shipped to Europe, and secretly assimilated into something called the Black Eagle Trust. Present day....